import java.time.Instant;
import java.util.Arrays;

/*
 *@Student 张策
 */
public class Text1 {
//    public static void main(String[] args) {
//        Animal a1 = new Animal("a");
//        Animal a2 = new Animal("a");
//        String n1="a";
//        String n2="hello"+n1;
//        String n3=new String("a");
//        System.out.println(n1.equals(n2));
//        System.out.println(a1.equals(a2));
//        System.out.println(n2.intern());
//}
public static void main(String[] args) {
//    StringBuffer[] stringBuffer=new StringBuffer[]{a};
//    StringBuffer[] stringBuffer1=new StringBuffer[]{};
//    Integer[] n1=new Integer[]{1,2,3};
////    Integer[]n2=Arrays.copyOf(n1,n1.length);
////    System.out.println(n2);
//    Instant i=Instant.now();
//    System.out.println(i);
}
}
class Animal{
    String name;

    public Animal(String name) {
        this.name = name;
    }
}
